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17 Cards in this Set
- Front
- Back
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What three important materials do roots collect from the surrounding environment? |
Water Mineral Nutrients anchors the tree |
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What important resource can the above-ground exchange system obtain from its surroundings that the below-ground exchange system cannot? |
Oxygen Carbon dioxide Sunlight |
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Why does the leaf tend to lose more water from one surface than the other? |
Because some of leaf's water always escapes from stomata on the under-surface and carried out of the pores and into the atmosphere. |
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How is oxygen gas useful to the tree? |
Waste collector for cellular respiration |
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How is carbon dioxide gas useful to the tree? |
Building material for photosynthesis |
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How are mineral nutrients useful to the tree? |
Building materials for all important biological molecules. |
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How is water useful to the tree? |
Building material for photosynthesis Reaction medium for cell chemistry Transport medium |
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Two branching exchange systems |
The roots The branches |
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How does the sunlight work to tree? |
Energy source for photosynthesis |
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Leaves are the main site of _____ _____ through tiny pores called _____ |
Water Loss Stomata |
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Three factors that can increase the amount of water lost by a leaf |
Leaf Size (Bigger) Leaf Temperature (Warmer) Direct exposure of leaf under-surface to moving air (the more expose to moving air) |
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The top surface of the leaf absorbs _____. The leaf's upper-surface is the plant's main site for _____. |
Sunlight Photosynthesis |
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Stomata exchange gases with the _____. The leaf's _____ surface is the main site of water loss for the tree |
Atmosphere bottom |
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Above-ground branching system exploits the fluid motion of the atmosphere to consume necessary gases and to dispose of _____ gases. |
Waste |
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the tree makes its own _____ and other useful biological molecules. In order to accomplish photosynthesis, the tree needs certain _____ from its surroundings. |
Sugar Resources |
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The leaves support photosynthesis by collecting _____ and _____ |
CO2 (carbon dioxide gas) Sunlight |
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Biologists call mineral salts _____ |
Nutrients |
